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演化硬件通过演化的方式实现电路的功能,可看作是演化算法和可编程逻辑器件的有机结合.目前所面临的问题是演化速度太慢,要解决此问题必须从算法和器件结构入手.本文提出以函数型(树型结构函数)可编程器件作为演化硬件的结构,提高了编码效率,加快了演化速度,实现了以 G A L作为演化硬件结构所不能实现的四位比较器.
The evolution of hardware through the evolution of the circuit function, can be seen as an evolutionary algorithm and programmable logic devices, organic combination. At present, the problem we are facing is that the evolution speed is too slow. To solve this problem, we must start with the algorithm and device structure. In this paper, we propose a functional (tree structure function) programmable device as the structure of evolution hardware to improve coding efficiency and speed up the evolution, and to achieve a four-bit comparator that can not be realized with G A L as the evolution hardware structure.